Stay warm and comfortable during your outdoor workouts with the Under Armour Women's ColdGear Reactor Vest. This thermal activewear vest is designed to adapt to your body temperature, providing the right amount of warmth when you need it. It features ColdGear Reactor insulation that traps heat and regulates body temperature, keeping you cozy without overheating. The vest is made from a lightweight and breathable fabric that wicks away sweat, ensuring you stay dry and comfortable. With a fitted silhouette and a full zip front, this vest offers a stylish and flattering fit. It also has zippered hand pockets for convenient storage of small essentials. Whether you're going for a run, hiking, or simply running errands, this Under Armour vest is a must-have for any active woman.